an essential resource for those who are wanting to learn about nuclear weapons, nuclear terrorism (or rather the lack of) or other WMDs. very easy to comprehend but this does not discount this book as an inferior resource because it's an easy read. the book itself is broken down into how nuclear, biological and chemical weapons work and the various types of these WMDs. there is a section that explains exactly how a nuclear bomb functions, down to the neutrons which I found especially helpful. another section discusses WMDs and the state and there is also a section about nuclear terrorism. the only downfall of this book is that some of the information, especially in the terrorism section, is outdated by about 10 years. still, all of the above are explained crystal clear which makes for understanding WMDs and the issues that surround them easier.
there are also maps that indicate where uranium is mined, what states are a part of the Non-Proliferation Treaty (outdated I believe but still helpful), what states have HEU nuclear facilities and so on. illustrations of how nuclear fission happens and several statistical charts are also present.
written by a physicist who has worked at the Atomic Weapons Research Establishment himself.